Taylor, E. H. 1936. A taxonomic study of the cosmopolitan lizards of the genus Eumeces with an account of the distribution and relationship of its species. Univ. Kansas Sci. Bull. 23 (14): 1-643 [1935] - get paper here

Wu, Jianguo 2015. Can changes in the distribution of lizard species over the past 50 years be attributed to climate change? Theoretical and Applied Climatology, DOI<br />10.1007/s00704-015-1553-4 - get paper here